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C program to delete element from an array

robaa
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2022-11-24
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Write a C program to delete element from an array. Here’s simple program to delete element from an array in C Programming Language.

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robaa
2022-11-24
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What is an Array ?

Arrays a kind of data structure that can store a fixed-size sequential collection of elements of the same type. An array is used to store a collection of data, but it is often more useful to think of an array as a collection of variables of the same type.

 
 

Instead of declaring individual variables, such as number0, number1, …, and number99, you declare one array variable such as numbers and use numbers[0], numbers[1], and …, numbers[99] to represent individual variables. A specific element in an array is accessed by an index.

All arrays consist of contiguous memory locations. The lowest address corresponds to the first element and the highest address to the last element.

Here is source code of the C program to delete element from an array. The C program is successfully compiled and run(on Codeblocks) on a Windows system. The program output is also shown in below.

 

SOURCE CODE : :

/*  C program to delete element from an array  */

#include <stdio.h>

int main()
{
    int arr[100];
    int i, n, position;

    /*
     * Reads size and elements in array from user
     */
    printf("Enter size of the array : ");
    scanf("%d", &n);

    printf("\nEnter %d elements in array : \n",n);
    for(i=0; i<n; i++)
    {
        printf("\nEnter %d element in array : ",i+1);
        scanf("%d", &arr[i]);
    }

    /*
     * Reads the position to be deleted from user
     */
    printf("\nEnter the element position to delete : ");
    scanf("%d", &position);

    /*
     * Check if the position is valid
     */
    if(position==n+1 || position<0)
    {
        printf("\nInvalid position! Please enter position between 1 to %d", n);
    }
    else
    {
        /*
         * If delete position is valid then delete the specified element
         */
        for(i=position-1; i<n-1; i++)
        {
            arr[i] = arr[i+1];
        }
    }

    /*
     * Prints the array after delete operation
     */
    printf("\nElements of array after delete are :: ");
    for(i=0; i<n-1; i++)
    {
        printf(" %d ", arr[i]);
    }

    return 0;
}

OUTPUT : :

Enter size of the array : 7

Enter 7 elements in array :

Enter 1 element in array : 1

Enter 2 element in array : 2

Enter 3 element in array : 3

Enter 4 element in array : 4

Enter 5 element in array : 5

Enter 6 element in array : 6

Enter 7 element in array : 7

Enter the element position to delete : 4

Elements of array after delete are ::  1  2  3  5  6  7

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C Arrays Solved Programs – C Programming
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